CVE-2021-21157: Use after free in Web Sockets
Published Jan 26, 2021
·Updated
Use after free in Web Sockets in Google Chrome on Linux prior to 88.0.4324.182 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Credit
Anonymous
Affected Software
8 affected componentsFixes available
debian/chromium
90.0.4430.212-1~deb10u1116.0.5845.180-1~deb11u1118.0.5993.70-1~deb11u1116.0.5845.180-1~deb12u1118.0.5993.70-1~deb12u1118.0.5993.70-1
Google Chrome<88.0.4324.182
88.0.4324.182
Microsoft Edge<88.0.705.74
Microsoft Edge Chromium<88.0.4324.182
Fedoraproject Fedora=32
Fedoraproject Fedora=33
Google Chrome<88.0.4324.182
Linux Linux kernel
Remediation
Patch Available
Event History
Jan 26, 2021
CVE Published
12:00 AM
Feb 22, 2021
CVE Published
via MITRE·09:20 PM
Data Sourced
via MITRE·09:20 PM
DescriptionWeakness
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
1
What is the severity of CVE-2021-21157?
CVE-2021-21157 is categorized as a high severity vulnerability due to the potential for remote exploitation.
2
How do I fix CVE-2021-21157?
To fix CVE-2021-21157, upgrade Google Chrome to version 88.0.4324.182 or later.
3
Which versions of Chromium are affected by CVE-2021-21157?
CVE-2021-21157 affects Chromium versions prior to 90.0.4430.212.
4
Can Microsoft Edge be affected by CVE-2021-21157?
Yes, Microsoft Edge and Microsoft Edge Chromium are affected if they are versions prior to 88.0.705.74.
5
What type of vulnerability is CVE-2021-21157?
CVE-2021-21157 is a use after free vulnerability in Web Sockets.